Pb-free deforming/partially fragmenting projectile with a defined mushrooming and fragmenting behavior

ABSTRACT

The invention relates to a Pb-free deforming/partially fragmenting projectile with a projectile body. In order to improve the killing effect of the projectile, the projectile has a fragmenting core according to the invention. The projectile body is equipped with a bore which is arranged on the longitudinal axis, extends from the tip of the projectile body, and extends into the interior, and the projectile body tip, which faces away from the projectile base has a bevel which extends from the outer circumference of the projectile body to the bore and runs at an acute angle to the longitudinal axis. The fragmenting core has a cylindrical part and a head part. The cylindrical part is arranged in the bore, and the head part protrudes out of the bore and has a support surface which is adapted to the bevel in the projectile body and together with the support surface rests on the bevel of the projectile body. The head part has a rounded tip which forms the tip of the projectile.

The invention relates to a lead-free deforming/partially fragmenting projectile having a projectile body.

The invention is based on the object of improving upon a lead-free deforming/partially fragmenting projectile having a projectile body in such a way that the killing effect of the projectile is improved.

According to the invention, this object is achieved by a lead-free deforming/partially fragmenting projectile according to claim 1.

The fragmentable core is deformed on impact of the projectile with the target body and initiates the mushrooming of the projectile due to the fact that the projectile has a fragmentable core, wherein a bore arranged on longitudinal axis, extending from the tip of the projectile into the interior, is created in the projectile body, and the upper part of the projectile body facing away from the base of the projectile has a beveled surface running at an acute angle to the longitudinal axis and extending from the outside circumference of the projectile body to the bore, and the fragmentable core has a cylindrical part and a head part, the cylindrical part being arranged in the bore and the head part protruding out of the bore and having a support surface, which is adapted to the beveled surface in the projectile body, and the head part has a rounded tip which forms the tip of the projectile. Therefore, the fragmentable core is again exposed, fragmenting in the target body and damaging vital organs at a distance from the shot channel. The deformed projectile body releases energy in the target body and creates the exit wound. The fragmentable part of the projectile is always defined due to the fact that the projectile body, which has a stable mass, does not lose any mass in its passage through the target body.

The weight of the fragmentable core is preferably between 3% and 30% of the weight of the projectile. The greater the weight of the fragmentable core relative to the weight of the projectile, the greater is the damage to vital organs. If the weight of the fragmentable core amounts to 3% of the projectile weight, then there is little depth effect. However, if the weight of the fragmentable core is 30% of the projectile weight, then the depth effect is great.

The projectile body is preferably made of a deformable lead-free material or alloys thereof and is preferably made of Cu or CuZn.

The fragmentable core is preferably made of a lead-free fragmentable material, advantageously tin or pressed tin granules.

In one embodiment, the fragmentable core is provided with predetermined breaking points. A preferred embodiment of a core permeated with predetermined breaking points is described in DE 10 2012 023398 A1.

The projectile body determines the mushrooming behavior of the projectile. This takes place through the material, the shaping on the inside and/or outside with or without predetermined breaking points on the inside or outside or both. Any readily deformable lead-free material or alloys may be used as the material, e.g., Cu or CuZn.

The fragmentable core determines the response of the projectile and the defined fragmentation of the projectile core. The material is made of a lead-free readily fragmentable material such as Sn, pressed granules or cores permeated with predetermined breaking points as described in DE 10 2012 023398 A1.

Mechanism of Action

The mushrooming and defined fragmentation of the projectile according to the invention in the target body, in particular a hunting projectile in a game animal's body after penetration into same determines the release of energy of the projectile and thus the effect of the shot. To improve the killing effect of the deformation projectile, a fragmentable core was introduced into the deforming projectile. After impact of the projectile with the target body, the core deforms and starts the mushrooming of the projectile. This in turn exposes the fragmentable core, which fragments in the target body and damages vital organs at a greater distance from the shot channel. The deformed projectile body continues to release energy in the target body and creates the exit wound. Since the projectile body, which has a stable mass, does not lose any mass in its passage through the target body, the fragmentable part of the projectile is always defined. The fragmentable part (see figures) may amount to between 3% and 30% of the projectile weight. The greater the fragmentation in percentage relative to the projectile weight, the greater is the damage to vital organs.

The fragmentable part of the projectile weight is preferably 3% to 30%.

EXAMPLE

-   -   Projectile body 97% high release of energy         -   Fragmentable core 3% low depth effect     -   Projectile body 70% low release of energy         -   Fragmentable core 30% great depth effect

FIG. 1 shows a lead-free deforming/partially fragmenting projectile according to the invention, having a projectile body 1 and a fragmentable core 2 with a defined mushrooming and fragmenting behavior. In the embodiment shown here, the amount by weight of the fragmentable core 2 of the projectile weight is 3%.

A bore 8 arranged on the longitudinal axis 6 and extending from the tip 7 of the projectile body 1 into the interior is introduced into the projectile body 1, and the upper part of the projectile body 1 facing away from the base 9 of the projectile has a bevel 11 running at an acute angle to the longitudinal axis 6, from the outside circumference 10 of the projectile body 1 to the bore 8. The fragmentable core 2 has a cylindrical part 12 and a head part 13, wherein the cylindrical part 12 is arranged in the bore 8 and the head part 13 protrudes out of the bore 8 and has a support surface 14, which is adapted to the beveled surface 11 in the projectile body 1. With this support surface 14, the head part 13 sits on the beveled surface 11 of the projectile body 1. The head part 13 has a rounded tip 15, which forms the tip of the projectile.

FIG. 2 shows a lead-free deforming/partially fragmenting projectile according to the invention, having a projectile body 1 and a fragmentable core 2 with a defined mushrooming and fragmenting behavior. In the embodiment shown here, the amount by weight of the fragmentable core 2 in the projectile weight is 30%. The same reference numerals also denote the same objects as in FIG. 1.

FIG. 3 shows the mushrooming 3 of the projectile body 1 and defined fragmentation 4 of the fragmentable core 2 of the projectile in the target body. 

1. A lead-free partially deforming/partially fragmenting projectile having a projectile body, wherein the projectile has a fragmentable core, wherein a bore which is created on the longitudinal axis and extends from the tip of the projectile body into the interior is created in the projectile body, and the tip of the projectile body facing away from the base of the projectile has a beveled surface running at an acute angle to the longitudinal axis and extending from the outside circumference of the projectile body to the bore, and the fragmentable core has a cylindrical part and a head part, wherein the cylindrical part is arranged in the bore and the head part protrudes out of the bore and has a support surface, which is adapted to the beveled surface in the projectile body and rests with this support surface on the beveled surface of the projectile body, and the head part has a rounded tip, which forms the tip of the projectile.
 2. The deforming/partially fragmenting projectile according to claim 1, wherein the weight of the fragmentable core is between 3% and 30% of the weight of the projectile.
 3. The deforming/partially fragmenting projectile according to claim 1, wherein the projectile body consists of a deformable lead-free material or alloys thereof and preferably consists of Cu or CuZn.
 4. The deforming/partially fragmenting projectile according to claim 1, wherein the fragmentable core consists of a lead-free fragmentable material, preferably tin or pressed tin granules.
 5. The deforming/partially fragmenting projectile according to claim 4, wherein the fragmentable core (2) is provided with predetermined breaking points. 